There are many factors to consider when contemplating your next career move, but in her new book Lean In: Women, Work, and the Will to Lead, Facebook Chief Operating Officer Sheryl Sandberg argues that one criteria trumps all others: fast growth.

When companies grow quickly, there are more things to do than there are people to do them. When companies grow more slowly or stop growing, there is less to do and too many people to be doing them. Politics and stagnation set in, and everyone falters. He told me, "If you're offered a seat on a rocket ship, you don't ask what seat. You just get on."

What about you? Do you have any single overwhelming criteria that you look for when deciding where to spend your career?